AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to researchers. The mysterious cosmic object was discovered last week, and is ...

Astronomers have discovered yet another alien visitor to the Solar System.

A rock from another solar system is a direct probe of how planetesimal formation took place at another star,” explained ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen - possibly predating our solar ...

As 3I/ATLAS approaches the sun, astronomers expect its frozen ices to sublimate, releasing gas and forming a glowing coma and ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

The fastest object in space - Parker Solar Probe - has sent stunning new views of the Sun from its closest distance. The new pictures released by NASA show features in the solar wind and they're ...

NASA confirmed on Friday that the Ax-4 mission crew will depart from the International Space Station no earlier than July 14.

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat ...